161204060 has 24 divisors (see below), whose sum is σ = 341696880. Its totient is φ = 63878144.

The previous prime is 161204059. The next prime is 161204089. The reversal of 161204060 is 60402161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35525 + ... + 39804.

It is an arithmetic number, because the mean of its divisors is an integer number (14237370).

Almost surely, 2^161204060 is an apocalyptic number.

161204060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161204060 is an abundant number, since it is smaller than the sum of its proper divisors (180492820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161204060 is a wasteful number, since it uses less digits than its factorization.

161204060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75445 (or 75443 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 161204060 is about 12696.6160846109. The cubic root of 161204060 is about 544.2419222071.

The spelling of 161204060 in words is "one hundred sixty-one million, two hundred four thousand, sixty".